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Individual Calculations September 2009 |
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| Uvidia, Marcelo Total change: 12.15 | |   |
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| XIV Grand Prix, 6ta. Parada "Fundacion de Guayaquil" | Guayaquil | ECU | 2009-07-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1867 | 1583 | 1.50 | 4 | 0.81 | 15 | 12.15 | |
|  Levy Ortiz, Mireya | | | 1973 | ECU | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Ordonez Antequera, Aldison | | | 1907 | ECU | 0.00 | 1 | -0.13 | 15 | -1.95 | |  Doylet Mendieta, Daniel | | | 1846 | ECU | 0.50 | 1 | 0.32 | 15 | 4.80 | | | Sarmiento Robles, Paula | | | 1741 | ECU | 1.00 | 1 | 0.71 | 15 | 10.65 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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